From: Wei Liu <wei.liu2@citrix.com>
To: Julien Grall <julien.grall@arm.com>
Cc: Peng Fan <van.freenix@gmail.com>,
sstabellini@kernel.org, Wei Liu <wei.liu2@citrix.com>,
Xen Devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH V2] xen/arm: mm: fix nr_second calculation in setup_frametable_mappings
Date: Mon, 16 May 2016 10:39:53 +0100 [thread overview]
Message-ID: <20160516093953.GJ8974@citrix.com> (raw)
In-Reply-To: <5739948B.4020707@arm.com>
On Mon, May 16, 2016 at 10:36:11AM +0100, Julien Grall wrote:
> (CC Wei for Xen 4.7)
>
> Hi,
>
> On 12/05/16 14:03, Peng Fan wrote:
> >On ARM64, "frametable_size >> SECOND_SHIFT" computes the number
> >of second level entries, not the number of second level pages.
> >
> >"ROUNDUP(frametable_size, FIRST_SIZE) >> FIRST_SHIFT" which computes
> >the number of the first level entries (the number of second level pages),
> >is the correct one that should be used.
> >
> >Signed-off-by: Peng Fan <van.freenix@gmail.com>
> >Cc: Stefano Stabellini <sstabellini@kernel.org>
> >Cc: Julien Grall <julien.grall@arm.com>
>
> Reviewed-by: Julien Grall <julien.grall@arm.com>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
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prev parent reply other threads:[~2016-05-16 9:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 13:03 [PATCH V2] xen/arm: mm: fix nr_second calculation in setup_frametable_mappings Peng Fan
2016-05-16 9:36 ` Julien Grall
2016-05-16 9:39 ` Wei Liu [this message]
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